Thailand's Generals in a Corner

Rule by fear risks repeating the darkest hours of Thai history.

May 29, 2014 12:39 p.m. ET

The military coup in Bangkok is getting nastier by the day, as the army continues preemptively to lock up academics, journalists and opposition politicians. At least 250 people have been detained since last week, although perhaps half have since been released and spokesmen say the remainder are being treated well.

Criticism of the junta is now a crime. Universities have been told not to hold any political events. Gatherings of more than five people are banned. Reporters were told to ask easier questions of their new...